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net: marvell: prestera: fix brige port operation

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Return NOTIFY_DONE (dont't care) for switchdev notifications
that prestera driver don't know how to handle them.

With introduction of SWITCHDEV_BRPORT_[UN]OFFLOADED switchdev
events, the driver rejects adding swport to bridge operation
which is handled by prestera_bridge_port_join() func. The root
cause of this is that prestera driver returns error (EOPNOTSUPP)
in prestera_switchdev_blk_event() handler for unknown swdev
events. This causes switchdev_bridge_port_offload() to fail
when adding port to bridge in prestera_bridge_port_join().

Fixes: 957e2235e526 ("net: make switchdev_bridge_port_{,unoffload} loosely coupled with the bridge")
Signed-off-by: Volodymyr Mytnyk <vmytnyk@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Volodymyr Mytnyk 2021-11-18 21:48:03 +02:00 committed by David S. Miller
parent d6821c5bc6
commit 253e9b4d11
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/marvell/prestera/prestera_switchdev.c
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@ -1124,7 +1124,7 @@ static int prestera_switchdev_blk_event(struct notifier_block *unused,
prestera_port_obj_attr_set);
break;
default:
err = -EOPNOTSUPP;
return NOTIFY_DONE;
}
return notifier_from_errno(err);